Aldehyde Dehydrogenase 1

Aldehyde Dehydrogenase 1

Assessment

Interactive Video

Science, Chemistry

University

Hard

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The video tutorial explores the mechanism of aldehyde dehydrogenases, enzymes crucial in amino acid catabolism and ethanol metabolism. It details the steps of the mechanism, including nucleophilic attack, intermediate formation, and hydrolysis, highlighting the role of cysteine thiolate and glutamate. The tutorial also discusses the generation of reduced cofactors NADH or NADPH and mentions inferred steps in the mechanism. Variations with different nucleophiles, such as phosphate, are also covered.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the role of aldehyde dehydrogenases in amino acid catabolism?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens to acetaldehyde when ethanol is ingested?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the mechanism of glutamate semi aldehyde dehydrogenase differ from other aldehyde dehydrogenases?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the inferred terminal step when the terminal nucleophile is water?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the mechanism of aldehyde dehydrogenases as discussed in the video.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of the tetrahedral intermediate in the mechanism of aldehyde dehydrogenases.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the effect of the aldehyde dehydrogenases mechanism on pH levels?

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